3M Polyester Film Tape 854 White, 4 in x 72 yds, 2.7 mil, Bulk

Key points

• Excellent chemical resistance in precious metal plating, especially gold
• Polyester backing helps reduce failure from backing breakdown and shrinkage
• Flexible backing helps reduce failure from cracking
• Synthetic adhesive helps reduce failure from splice slippage because of good chemical resistance
• Excellent results in sodium hydroxide etching of aluminum
• Polyethylene tape core instead of cardboard